Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
To measure the purity of water you need to measure the conductivity (usually measured in micro-siemens) have a look at this article it may give you some ideas
New to this forum but it appears Fig. 1 has the circuit. You just have to do the scaling. I'm sure there is a cheaper way but I would buy with a cheap digital meter and scale the voltage. You will need physical constants to create the scaling. (Note you can't do standards below 100 uS without being in a nitrogen blanket....and still they are difficult.
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